Karen celebrates her baseball team's championship. Will and Grace go to an open house, which leads to a conversation about their future living arrangement. Jack has to decide if he wants to stay in the city to pursue his dreams.
Will claims living with Grace is like Ricky living with Lucy; when Karen and Jack hear this, they each claim that they are the Lucy of the group; Grace, Karen and Jack each imagine themselves as Lucy, with Will as the Ricky to all of them.
Jack helps Karen sneak into the manse to retrieve her coveted ring, but they're shocked to find it on the hand of Stan's new girlfriend, Val. While hosting Will's surrogate, Jenny, for the weekend, Will and Grace become the old folks they swore they'd never become.
Will and Grace become convinced Karen is in danger when her new boyfriend, Phil, takes her to a cabin in the woods. With the help of Karen's assistant, Friday, Will and Grace race to save her. Jack makes up a story to a snobby reporter in order to keep his new bar relevant after its previous owner, Miss Coco Peru, steps down.
Karen introduces Will and Grace to the new love of her life, Phil. But Will and Grace become increasingly suspicious that Phil has sinister intentions for their friend. When Miss Coco Peru tells Jack that he's closing down his bar for good, Estefan encourages Jack to become its new owner.
Committed to becoming a father on his own, Will meets a potential surrogate with stellar reviews, but her lifestyle choices give him doubts. In order to gain entry to AnnieCon, Grace pretends to be a formerly famous Annie.
In the aftermath of Will and McCoy breaking up, Grace and Jack hire the Grief Panda to help Will process his pain. With Karen completely occupied with her new baseball team, Grace believes that she has to fire Karen in order to set her free.
Will and Grace get competitive over whose process of having a baby is more difficult. Jack helps Karen prove to Danley Walker that she'll be a competent owner of her new baseball team. But Karen realizes that an old acquaintance, Amy, may be the help she really needs.
Will discovers a way to finally get back at Jack for years of mocking his hairline. Grace is determined to prove to Mrs. Timmer she's strong enough to handle being a single mother. Karen squares off against Stan's brother in a poker game.
When Grace admits she's not sure who's the father of her baby, Karen orchestrates a Mamma Mia situation with the potential baby daddies. Will worries what will happen if he has a straight son and enlists Jack to help him prepare.
Grace returns from her European travels a new woman, but her elation is short-lived when she receives life-changing news. Karen teaches Will how to be better at phone sex. Jack has a yard sale to discreetly get rid of Estefan's annoying cuckoo clock.